RB25 | RB26 Exhaust Manifold Manifold | Wastegate:V-Band | Top Mount Equal Length | 45mm WG with an enjoyable exhaust note

with an enjoyable exhaust note that is Careful design consideration was given for the the most gradual and laminar reduction in diameter possible

Lower donwpipe flange is universal - and will not directly bolt into any OEM exhaust components

the Artec T4 divided top-mount manifold works fanstastic in a wide range of engine bays and offers a very good powerband with low volume and a fully divided design

5L displacement engines with power outputs between 625 and 825BHP

6 A/R housing volute

RB25 | RB26 Exhaust Manifold Manifold | Wastegate:V-Band | Top Mount Equal Length | 45mm WG with an enjoyable exhaust noteAll of our in house exhaust manifolds are CAD designed, entirely stainless steel (including ALL flanges), back purged, and TIG welded by hand in our facility in BC, Canada. Careful consideration for runner length, collector design, orientation, wastegate placement, and turbine flow characteristics ensure optimal performance. All of our Spectrum Motorsports RB exhaust manifolds are equal length, delivering an enjoyable exhaust sound and even exhaust